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Magnetic Coil Design for Two Dimensional Magneto Optical Trap to Realization of Efficient Quantum Memory

机译:用于实现高效量子存储器的二维磁光陷阱的磁线圈设计

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We have constructed in our laboratory two rectangular shaped current carrying coils in accordance with the parameters used in our design so that they can be put in use in the Two Dimensional Magneto Optical Trap (2D-MOT) to obtain very high value of Optical Depth(OD). The dimensions of the coils are 8cm × 10cm. When put in anti-Helmholtz configuration as required in a 2D-MOT, these coils generate magnetic field such that it becomes zero along a line bisecting the space between the two coils. The magnetic field gradient near the zero magnetic field line is measured to be 3.33 Gauss/cm when the current passing through the coils is 3.5A. We have also made measurements at other values of current and found, as expected, this gradient increases with current. These results match nicely with the estimated values and hence a significant step forward towards the experimental realization of the design proposed by us.
机译:我们在我们的实验室构建了两个矩形的电流携带线圈,根据我们设计中使用的参数,使它们可以在二维磁光阱(2D-MOT)中使用,以获得非常高的光学值( OD)。 线圈的尺寸为8cm×10cm。 当根据2D-MOT中的需要进行防舵配置时,这些线圈产生磁场,使得沿着两条线圈之间的空间的线变为零。 当通过线圈的电流为3.5A时,测量零磁场线附近的磁场梯度为3.33高斯/厘米。 我们还在其他电流值下进行了测量,并如预期的那样,这种梯度随着电流增加而增加。 这些结果与估计值很好地匹配,因此向我们提出的设计的实验性实现前进。

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